ZKTeco CT20 Fingerprint Time Attendance Machine Biometric Time Clock for Employee Small Business Time-Tracking Recorder without Installation

CT20 Tabletop Terminal is specially designed for table or counter use (80-140cm). With fingerprint sensor placed on top of terminal, it enables all-directional fingerprint reading for the convenience of attendance. BioID high sensitivity fingerprint sensor provides faster and more accurate fingerprint verification. With built-in detachable battery lasting for up to 8 hours, and micro-USB power supply for power bank (minimum 2A) connection, there are no more worries for lacking power sockets supply. Product features (more…)
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Upgrading and Repairing PCs (22nd Edition)

DVD-ROM Includes 3 hours of new how-to video For more than 25 years, Upgrading and Repairing PCs has been the world’s #1 guide to PC hardware: The single source for reliable information on how PCs work, troubleshooting and fixing problems, adding hardware, optimizing performance, and building new PCs. This 22nd edition offers beefed-up coverage of the newest hardware innovations and maintenance techniques, plus more than two hours of new video. (more…)
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Build Your Own PC Do-It-Yourself For Dummies

If you’ve dreamed about having a customized multimedia PC or one tricked out for your favorite games, build your own and make your dreams come true! Build Your Own PC Do-It-Yourself For Dummies makes it easy. Not only is building your own PC a really rewarding project, it can also save you a nice chunk of cash. This step-by-step guide helps you decide what you need, teaches you what all those computer terms mean, and tells you exactly how to put the pieces together. It shows you: What tools you need (not as many as you might think!) All about operating systems How to install CD and DVD drives The scoop on sound and video, and how to put a sound system together from start to finish How to connect a monitor and install a modem All about setting up and configuring the hard drive Secrets for securing your system, and more (more…)
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